Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
241 FOCA52 TJSJ 011832 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 PM AST Thu Oct 1 2026 PRZ001-020800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 PM AST Thu Oct 1 2026 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 89 79 92 80 Temp 84 82 81 80 79 85 88 89 84 82 81 80 79 86 91 92 86 84 82 81 80 86 Dewpt 75 75 75 75 75 75 75 75 74 75 75 75 75 75 75 75 74 75 75 75 75 75 RH 74 79 82 85 88 72 66 64 72 79 82 85 88 70 60 58 68 74 79 82 85 70 Wind dir E E E SE SE E E E E E SE E E SE E E E E E E E E Wind spd 12 8 9 8 6 10 13 16 12 10 11 9 6 8 12 14 12 10 10 8 5 8 Clouds B2 B1 B1 SC B2 B1 SC B1 B2 SC SC SC SC SC SC B2 B2 SC SC SC SC SC PoP 12hr 50 60 30 50 30 QPF 12hr 0.21 0.25 0.11 0.33 0.11 Rain shwrs L C C S C C C C L S S S S C C C C C C C C C Tstms S S S Heat index 92 89 86 84 93 98 98 91 88 86 84 95102102 94 91 89 86 85 95 Max heat 98 88 93 99 97 88 95 103 101 90 95 Date 10/04 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 79 92 79 92 79 92 79 92 Temp 91 83 80 86 92 83 80 86 92 83 80 86 92 83 80 86 92 83 Dewpt 75 75 75 75 75 75 75 75 76 75 75 75 75 75 75 75 73 73 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC SC FW FW SC FW SC SC SC SC B1 B2 B1 SC SC SC SC PoP 12hr 30 20 20 20 30 50 50 20 40 Rain shwrs C S S S S S S S S C C C C C S S C C Tstms S S S $$ PRZ002-020800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 PM AST Thu Oct 1 2026 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 90 80 91 81 Temp 85 83 82 81 80 86 89 90 85 83 82 81 80 86 90 91 86 84 83 82 81 86 Dewpt 76 75 76 75 75 75 76 75 75 75 75 75 75 76 76 75 75 75 75 75 75 75 RH 75 77 82 82 85 70 66 62 72 77 79 82 85 72 64 60 70 74 77 79 82 70 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 12 11 11 10 10 11 12 13 11 11 12 10 10 10 11 12 10 10 12 11 9 11 Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 SC SC B1 B1 B2 B2 B2 B2 SC SC SC SC B1 PoP 12hr 60 60 50 50 40 QPF 12hr 0.26 0.34 0.25 0.35 0.12 Rain shwrs L C C C C L L L L C C C C C C C C C C C C C Tstms S S S Heat index 95 91 89 86 85 95100100 94 90 88 86 85 96102102 95 92 90 88 87 95 Max heat 100 90 95 101 99 89 96 102 101 91 95 Date 10/04 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 80 91 80 91 80 91 80 91 Temp 90 83 81 86 91 83 81 86 91 83 81 86 91 83 81 86 91 83 Dewpt 75 75 75 76 75 75 75 76 75 75 75 76 75 75 75 76 74 74 PWind dir E E E E E E E E E Wind char GN GN GN LT GN GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC B1 B1 SC B1 B2 B1 SC SC B1 SC PoP 12hr 40 20 30 40 40 50 60 40 40 Rain shwrs C S S S C C S C C C C C L L S C C C Tstms S S S S S S $$ PRZ007-020800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 PM AST Thu Oct 1 2026 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 90 77 91 77 Temp 84 81 79 78 77 84 89 90 84 81 79 78 77 85 90 91 84 81 79 78 77 84 Dewpt 73 74 73 72 71 72 72 70 71 73 72 72 71 72 72 73 74 73 72 72 71 71 RH 70 79 82 82 82 67 57 52 65 77 79 82 82 65 56 56 72 77 79 82 82 65 Wind dir E E E NE NE E E SE E E NE NE NE E E SE E E NE NE NE NE Wind spd 12 8 6 6 5 5 14 17 13 9 5 5 4 5 12 13 12 8 6 4 3 4 Wind gust 25 28 Clouds B2 SC CL FW FW SC SC SC B1 FW FW SC SC SC SC B1 B1 CL CL CL CL SC PoP 12hr 20 40 10 40 20 QPF 12hr 0.03 0.12 0.05 0.23 0.02 Rain shwrs C S S S S C S S S S S C C S Tstms S Heat index 90 86 83 90 96 95 88 86 82 91 97 99 91 86 83 89 Max heat 97 85 90 96 94 85 91 99 98 85 89 Date 10/04 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 77 91 77 90 77 90 77 90 Temp 90 81 78 85 91 81 78 84 90 81 78 84 90 81 78 84 90 81 Dewpt 73 71 70 70 73 73 72 71 73 73 72 72 73 72 71 73 73 72 PWind dir E NE E NE E NE E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC CL CL FW SC CL FW SC SC SC SC SC SC SC SC FW SC PoP 12hr 20 0 30 5 40 20 20 20 20 Rain shwrs S S C C C C S S S S S S S S Tstms S S $$ PRZ008-020800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 PM AST Thu Oct 1 2026 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 87 76 88 76 Temp 82 80 78 77 76 82 86 87 82 79 78 77 76 83 87 88 82 80 78 77 76 82 Dewpt 77 76 76 74 73 76 78 78 76 76 76 74 73 75 77 77 76 76 76 74 74 76 RH 85 88 94 90 90 82 77 75 82 91 94 90 90 77 72 70 82 88 94 90 94 82 Wind dir E E E E E E E E E SE E E E E E E E E E E E E Wind spd 11 9 10 9 6 10 12 12 13 10 8 8 6 9 9 12 12 13 12 12 10 11 Clouds B1 B1 SC SC FW SC CL B1 OV SC SC CL SC FW FW B1 B1 SC SC SC SC CL PoP 12hr 40 70 10 40 20 QPF 12hr 0.08 1.09 0.06 0.24 0.06 Rain shwrs C C S S S S C L S S S C C S S S S Tstms S S S Heat index 90 85 89 98 99 89 84 90 99100 89 84 89 Max heat 100 89 100 98 90 101 98 89 Date 10/04 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 76 88 76 88 76 87 76 87 Temp 87 79 77 83 88 80 77 83 88 80 77 82 87 79 77 82 87 79 Dewpt 77 76 74 75 77 76 74 76 77 76 74 76 77 76 74 76 74 75 PWind dir E E E E E E E E E Wind char BZ GN GN GN GN GN GN LT GN Avg clouds FW SC CL CL FW FW CL CL FW SC SC SC SC B2 B1 SC SC SC PoP 12hr 30 0 20 0 40 10 60 40 50 Rain shwrs C C S S C C S S L L C C C C Tstms S S $$ PRZ010-020800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 PM AST Thu Oct 1 2026 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 93 74 94 74 Temp 84 80 78 76 75 85 92 93 84 80 77 75 74 85 92 94 84 80 77 75 74 84 Dewpt 78 76 76 74 73 76 79 78 78 76 75 74 73 76 78 78 77 76 75 74 74 76 RH 82 88 94 94 94 75 66 62 82 88 94 97 97 75 64 60 80 88 94 97100 77 Wind dir E NE E E E E E SW NE NE E E E E E NE NE E E E E E Wind spd 1 3 4 4 5 3 2 3 3 6 6 3 4 4 2 4 4 6 5 5 4 4 Clouds OV B1 SC FW CL CL CL B1 OV CL CL CL FW FW FW B2 B2 CL CL CL CL CL PoP 12hr 40 70 5 60 0 QPF 12hr 0.06 1.03 0.01 1.10 0 Rain shwrs L C S C L L L Tstms S S S S S Heat index 94 86 95108108 94 85 95107107 94 86 93 Max heat 106 84 95 109 107 95 107 107 93 Date 10/04 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 75 94 75 93 74 93 75 93 Temp 92 80 76 86 94 81 76 85 93 80 75 85 93 80 76 85 93 80 Dewpt 78 76 74 76 78 76 74 76 79 76 74 76 78 76 74 76 74 74 PWind dir NE E NE E N E SE E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 FW FW SC B1 CL CL SC B1 SC SC SC B2 B1 SC SC B2 PoP 12hr 50 5 60 0 60 20 70 40 70 Rain shwrs C C S S L L L L S S L L C C L L Tstms S S S S S S S S S S $$ VIZ001-020800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 232 PM AST Thu Oct 1 2026 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 88 82 89 82 Temp 86 84 83 82 82 85 88 88 85 84 83 82 82 86 88 89 86 84 83 82 82 86 Dewpt 75 75 75 75 75 75 75 75 75 74 75 75 75 75 75 74 74 74 75 75 75 75 RH 70 74 77 79 79 72 66 66 72 72 77 79 79 70 66 61 68 72 77 79 79 70 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 17 17 19 17 16 16 14 16 17 17 16 14 13 14 14 14 14 17 17 16 17 14 Clouds SC SC SC SC SC SC B1 B1 B1 SC SC B1 B1 B2 B2 SC SC SC SC SC SC SC PoP 12hr 30 40 50 50 30 QPF 12hr 0.19 0.22 0.25 0.22 0.09 Rain shwrs S C C C S C C C C C C C C C C C C C C C C S Heat index 95 92 91 89 88 94 97 97 93 91 90 89 88 95 98 98 94 91 90 89 89 96 Max heat 98 91 94 97 97 91 95 99 97 91 96 Date 10/04 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 82 91 82 89 82 88 82 88 Temp 90 84 83 87 91 85 83 86 89 84 82 85 88 84 82 85 88 84 Dewpt 75 74 75 75 75 75 75 75 75 75 75 75 75 75 75 75 73 74 PWind dir E E E E E E E E E Wind char BZ BZ GN GN GN BZ BZ GN BZ Avg clouds SC SC SC SC SC SC SC SC B1 B1 SC B1 B2 B1 SC SC SC SC PoP 12hr 20 20 30 40 40 50 60 20 40 Rain shwrs S S S S C C S C C C C C L L S S C C Tstms S S S S S $$ VIZ002-020800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 PM AST Thu Oct 1 2026 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 90 80 91 80 Temp 85 83 82 81 80 86 89 90 85 83 82 81 80 86 90 91 86 83 82 81 80 86 Dewpt 77 76 76 76 75 76 76 76 76 75 76 76 75 76 76 76 76 75 75 75 75 76 RH 77 80 82 85 85 72 66 64 75 77 82 85 85 72 64 62 72 77 79 82 85 72 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 16 13 14 14 13 14 13 14 14 13 13 12 12 12 14 13 13 14 16 13 13 14 Clouds B1 B1 B1 SC SC B1 B1 B1 SC SC SC B1 B1 B2 B2 SC SC SC SC SC SC SC PoP 12hr 40 40 50 50 20 QPF 12hr 0.21 0.23 0.25 0.22 0.07 Rain shwrs C C C C C C C C C C C C C C C C C S S S S S Tstms S Heat index 95 91 89 87 85 95101101 94 91 88 87 85 96102102 95 91 89 87 85 95 Max heat 101 90 95 101 100 90 96 103 101 90 95 Date 10/04 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 80 91 79 91 79 91 79 91 Temp 90 83 81 86 91 83 80 86 91 83 80 86 91 83 80 86 91 83 Dewpt 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 74 74 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC SC CL FW B1 SC SC B1 B1 B1 SC SC SC SC PoP 12hr 20 20 30 40 40 50 50 20 20 Rain shwrs S S S S C C C C C C C C C S S S S Tstms S S S S S $$